Jiang Chenyu is a major crybaby, while Flower Fairy is a minor one. This master-disciple pair truly has a unique tradition.
Lin Yun understood that involving himself in women's battles was like adding fuel to the fire, but to manage his harem properly, he had to learn to judge the situation carefully. This move was indeed playing with fire, but Lin Yun wasn't doing it blindly; he was strategically attracting hatred.
Once the quarrel between Flower Fairy and Dongfang Hongyue escalated, the conflict would inevitably become more acute, and in the end, they would either fight to the death or it would still fall on him to arbitrate.
By then, after they argued to a certain extent and neither would concede, no matter how impartial he might be, both sides would be unhappy with him.